#pragma once
#include "fields.hpp"
#include <memory>
#include <functional>
#include"detail.hpp"
namespace rpc
{
    class BaseMessage
    {
    public:
        using ptr = std::shared_ptr<BaseMessage>;
        ~BaseMessage() {}
        virtual std::string id()
        {
            return _id;
        }
        virtual void setId(const std::string &id)
        {
            _id = id;
        }
        virtual MType mtype() { return _mtype; }
        virtual void setMType(const MType &mtype) { _mtype = mtype; }
        virtual std::string serialize() = 0;
        virtual bool unserialize(const std::string &msg) = 0;
        virtual bool check() = 0;

    private:
        MType _mtype;
        std::string _id;
    };
    class BaseBuffer
    {
    public:
        using ptr = std::shared_ptr<BaseBuffer>;
        virtual size_t readableSize() = 0;
        virtual int32_t peekInt32() = 0;
        virtual void retrieveInt32() = 0;
        virtual int32_t readInt32() = 0;
        virtual std::string retrieveAsString(size_t len) = 0;
    };
    class BaseProtocol
    {
    public:
        using ptr = std::shared_ptr<BaseProtocol>;
        virtual bool canProcessed(const BaseBuffer::ptr &buf) = 0;
        virtual bool onMessage(const BaseBuffer::ptr &buf,
                               BaseMessage::ptr &msg) = 0;
        virtual std::string serialize(const BaseMessage::ptr &msg) = 0;
    };
    class BaseConnection
    {
    public:
        using ptr = std::shared_ptr<BaseConnection>;
        virtual void send(const BaseMessage::ptr &msg) = 0;
        virtual void shutdown() = 0;
        virtual bool connected() = 0;
    };
    using ConnectionCallback = std::function<void(const BaseConnection::ptr &)>;
    using CloseCallback = std::function<void(const BaseConnection::ptr &)>;
    using MessageCallback = std::function<void(const BaseConnection::ptr &,
                                               BaseMessage::ptr &)>;
    class BaseServer
    {
    public:
        using ptr = std::shared_ptr<BaseServer>;
        virtual void setConnectionCallback(const ConnectionCallback &cb)
        {
            _cb_connection = cb;
        }
        virtual void setCloseCallback(const CloseCallback &cb)
        {
            _cb_close = cb;
        }
        virtual void setMessageCallback(const MessageCallback &cb)
        {
            _cb_message = cb;
        }
        virtual void start() = 0;

    protected:
        ConnectionCallback _cb_connection;
        CloseCallback _cb_close;
        MessageCallback _cb_message;
    };
    class BaseClient
    {
    public:
        using ptr = std::shared_ptr<BaseClient>;
        virtual void setConnectionCallback(const ConnectionCallback &cb)
        {
            _cb_connection = cb;
        }
        virtual void setCloseCallback(const CloseCallback &cb)
        {
            _cb_close = cb;
        }
        virtual void setMessageCallback(const MessageCallback &cb)
        {
            _cb_message = cb;
        }
        virtual void connect() = 0;
        virtual void shutdown() = 0;
        virtual bool send(const BaseMessage::ptr &) = 0;
        virtual BaseConnection::ptr connection() = 0;
        virtual bool connected() = 0;

    protected:
        ConnectionCallback _cb_connection;
        CloseCallback _cb_close;
        MessageCallback _cb_message;
    };
    
}